{"id":"W3055740745","doi":"10.2105/ajph.2020.305825","title":"Frequent Cannabis Use and Cessation of Injection of Opioids, Vancouver, Canada, 2005–2018","year":2020,"lang":"en","type":"article","venue":"American Journal of Public Health","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":33,"is_retracted":false,"has_abstract":true,"ca_institutions":"British Columbia Centre on Substance Use","funders":"National Institute on Drug Abuse","keywords":"Cannabis; Medicine; Hazard ratio; Confidence interval; Smoking cessation; Opioid; Proportional hazards model; Injection drug use; Demography; Environmental health; Psychiatry; Internal medicine; Drug; Drug injection","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007764435,0.0003105898,0.0004922485,0.001138247,0.00247184,0.00165117,0.001254071,0.0004660879,0.003207036],"category_scores_gemma":[0.003319341,0.0004603686,0.0007461971,0.002561342,0.0005582016,0.0004149511,0.001040573,0.001404331,0.000257093],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02477885,"about_ca_system_score_gemma":0.03651713,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.994935,"about_ca_topic_score_gemma":0.9973215,"domain_scores_codex":[0.9992533,0.00005829526,0.00005592327,0.00009865825,0.000279707,0.0002541775],"domain_scores_gemma":[0.9971607,0.0001707875,0.0006533928,0.0000799882,0.001305457,0.0006297487],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001931668,0.00005118323,0.9855586,0.0001236053,0.0001830135,0.00005883725,0.0003748379,0.0001952515,0.00007875577,0.0001281903,0.002144769,0.01090989],"study_design_scores_gemma":[0.00002162853,0.00002356308,0.9971078,0.0001383955,0.00008229069,0.00006548659,0.0005921312,0.0002733572,0.00005565099,0.00003531941,0.001592873,0.00001148608],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9653174,0.006556199,0.0003079876,0.001624472,0.00006958836,0.0001182475,0.02126634,0.00002911506,0.00471061],"genre_scores_gemma":[0.9868734,0.003682826,0.0003735193,0.0002999165,0.00002687479,0.00004686863,0.005215113,0.00001379449,0.003467695],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02477885,"threshold_uncertainty_score":0.179784,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04236842912869902,"score_gpt":0.303573887578637,"score_spread":0.261205458449938,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}